Fuel Injector: Service and Repair
FUEL INJECTION SUPPLY MANIFOLD AND FUEL INJECTORSpecial Tool(s):
SPECIAL TOOL(S)
WARNING:
- Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel-related components. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in personal injury.
- Fuel in the fuel system remains under high pressure even when the engine is not running. Before working on or disconnecting any of the fuel lines or fuel system components, the fuel system pressure must be relieved. Failure to follow these instructions may result in personal injury.
CAUTION: If the supply manifold is used as a leverage device, damage may occur to the supply manifold. Care must be taken when working around the supply manifold.
REMOVAL
1. Release the fuel system pressure.
2. Remove the intake manifold.
Part 1:
Part 2:
3. Remove the components in the order indicated in the illustration and table. To remove individual components, only carry out the listed steps.
Item 1: Fuel Hose Spring Lock Coupling Removal Note
1. Remove the safety clip.
2. Install the special tool.
3. Close and push the special tool into the open side of the cage.
4. Separate the fitting and remove the special tool.
INSTALLATION
1. CAUTION: O-ring seals are made of special fuel-resistant material. Use of ordinary O-ring seals can cause the fuel system to leak. Do not reuse the O-ring seals.
NOTE:
- Install new O-ring seals and lubricate them with clean engine oil.
- After connecting the fuel line fitting, pull on the fitting to make sure it is fully engaged. Install the safety clip.
To install, reverse the removal procedure.